# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

"""Test for the JSON reporter."""

import json
from io import StringIO
from typing import Any, Dict, List

from pylint import checkers
from pylint.lint import PyLinter
from pylint.reporters import JSONReporter
from pylint.reporters.ureports.nodes import EvaluationSection

expected_score_message = "Expected score message"


def test_simple_json_output_no_score() -> None:
    """Test JSON reporter with no score."""
    message = {
        "msg": "line-too-long",
        "line": 1,
        "args": (1, 2),
        "end_line": None,
        "end_column": None,
    }
    expected = [
        {
            "type": "convention",
            "module": "0123",
            "obj": "",
            "line": 1,
            "column": 0,
            "endLine": None,
            "endColumn": None,
            "path": "0123",
            "symbol": "line-too-long",
            "message": "Line too long (1/2)",
            "message-id": "C0301",
        }
    ]
    report = get_linter_result(score=False, message=message)
    assert len(report) == 1
    assert json.dumps(report) == json.dumps(expected)


def test_simple_json_output_no_score_with_end_line() -> None:
    """Test JSON reporter with no score with end_line and end_column."""
    message = {
        "msg": "line-too-long",
        "line": 1,
        "args": (1, 2),
        "end_line": 1,
        "end_column": 4,
    }
    expected = [
        {
            "type": "convention",
            "module": "0123",
            "obj": "",
            "line": 1,
            "column": 0,
            "endLine": 1,
            "endColumn": 4,
            "path": "0123",
            "symbol": "line-too-long",
            "message": "Line too long (1/2)",
            "message-id": "C0301",
        }
    ]
    report = get_linter_result(score=False, message=message)
    assert len(report) == 1
    assert json.dumps(report) == json.dumps(expected)


def get_linter_result(score: bool, message: Dict[str, Any]) -> List[Dict[str, Any]]:
    output = StringIO()
    reporter = JSONReporter(output)
    linter = PyLinter(reporter=reporter)
    checkers.initialize(linter)
    linter.namespace.persistent = 0
    linter.namespace.score = score
    linter.open()
    linter.set_current_module("0123")
    linter.add_message(
        message["msg"],
        line=message["line"],
        args=message["args"],
        end_lineno=message["end_line"],
        end_col_offset=message["end_column"],
    )
    # we call those methods because we didn't actually run the checkers
    if score:
        reporter.display_reports(EvaluationSection(expected_score_message))
    reporter.display_messages(None)
    report_result = json.loads(output.getvalue())
    return report_result
